Head construction for multiple-strand mops



Sept. 8, 1959 H. H. scHwARTz 2,902,704

HEAD CONSTRUCTION FOR MULTIPLE-STRAND MOPS Filed July 1, 1957 fmMmmm/wrm INVENTOR. #420*0 M 5cl/MPH W' Arrow/ex Unite Sttes Patent fs A2,902,704 ige Patented Sept. 8, :1959

HEAD CONSTRUCTION FORMULTIILE- STRAND MOPS Harold'H. SJchwartz,iliortChester, N.Y., assignor to Empire Brushes, Ine., Port Chester, N .Y.,acorporatlon of 'New York Application `uly.'1,:1957, Serial No.=.668,995

10 Claims. (Cl. 15-229) This invention relates to mops and lis directedparticularly to an improved construction in yarn or spaghetti-type mops.

The principal object of this invention is tto provide a mop of thecharacter described comprising a molded support member having anelongated clamp member for clamping the yarn thereto, the support memberbein-g provided with a screw socket' for receiving the threaded end of amop handle, and a molded hollow cover member within which the supportmember is received and having a lower interior Yannular shoulder againstthe underside of which an upper shoulder portion of the support memberis drawn when the handle is assembled thereto, and the handle having vatits base end-a por-tion of increased diameter which abuts the upperannular shoulder formed in the neck for retaining the assembly in tight.intertting relation.

Another object of this invention is to provide a mop 'ofthe .character4described which comprises a minimum of metal parts and wherein themajor parts can readily be manufactured of synthetic plastic materialsby injection molding.

'Yet another object of this invention is to provide a mop 'of thecharacter described which may easily 'be assembled and disassembled,which shall permit replace ment of parts, and which shall be inexpensiveto manufacture `and yet practical and efcient to a high degree 1n use.

'Other objects Vfeatures and advantages ofl this invention will in partbe obvious'and in part hereinafter pointed out.

The invention .accordingly consists in the features of construction,combinations of elements, and arrangement ofparts which.willbeexemplitied in the construction hereinafter described, .and ofwhich the scope tof invention willibeindicated .inthefollowing claims.

.fln the accompanying drawings, which illustratey two forms in whichtheinventionmay.conveniently .be 'embodiedfin practice:

zfFig. =l is a partial lperspective l*View rof the imop .embo dying theinvention,

Fig. 2 is a view similar to Fig. 1 but showing the handle, the coverfand the yarn support member with themop `yarn in disassembled.relation,

'.Fig.`3 Ais a partial cross-sectional'view of the mop embodying theinvention,

'jFi'g 4 isa cross-sectional'view taken along'thelline 4 4 of Fig. 3-inrtlredirectionof the arrows,

Fig. 5 is a bottom view of the mop, shown without the mop yarn in thesupport member, and

Fig. 6 is a View similar to Fig. 4 but showing use of a modified form ofclamping member in conjunction with the support member.

Referring now to the drawings in detail, 10 designates generally a mopembodying the invention, the same comprising a handle 11, a cover member12 and a yarn holder member 13 to which spaghetti-type yarn elements 14are clamped as is hereinbelow described,

The holder member 13, which is preferably molded of hard polystyrene orpolyethylene, is elongated in shape and formed along its underside witha concave longitudinal groove 15 which terminate at end wall por tions16 vand 17, which extend somewhat outwardly'of the longitudinal sideedges of said groove. The holder 13 is also provided with a cylindricalscrew socket portion .18 molded at the top of said holder and centrallylocated along its length. A pair of strengthening rib portions 19, 20are molded along the top of the holder 13, extending downwardly fromeach side of .the screw socket portion 18. A pair of opposed datshoulders 21, 22 are formed at each side of the socket portion 18 wherethe respective rib portions .19, 20 join therewith. Mediallylocated ateach side of the holdermember 13 is a through opening 23 lfor receivingrivets 24. The rivets extend through openings in an elongatedchannelshaped clamping bar or member 25, serving to clamp the mop yarnelements 14 in place with respect to the holder member 13 (see Figs. 3and 4).

The cover member 12, preferably molded of soft polyethylene material, is`hollow and open at its underside, the opening being of such Vshape asto receive .the holder member 13. It is formed with a central vneckportion 26 from which extend outwardly top shoulder portions 27 flaringslightly outwardly and downwardly. The neck portion 26 extends up abovethe shoulders 27 and is formed with an annular lower interiorendvportion 28 projecting slightly 'downwardly below the shoulderportions 27. The neck portion 26 is formed below its upper end 29 withan inner anular rib or vshoulder 30 for the purpose hereinafterappearing. The top shoulder portions 27 are connected to the neckportion26 by central strengthening ribs 31. Extending downwardly fromvthe outer ends of the top shoulder portions 27 are end walls, 32, andvextending downwardly from the sides of said top shoulder portions arelongitudinal side walls 33. The shoulder portions 27 may be rounded intransverse cross-sectional shape if desired. The side walls 33 and theend walls 32 are preferably formed with a thickened lower edge bead 34extending all around lfor strengthening.

The handle llcomprises an elongated Wooden rod 35 to the end 'of whichis fitted a metal cap 36. The cap .36 is formed with a body portion 37and a reduced diameter externally screw-threaded portion 38. The portion38 may Abe'inserted through the opening formed by the internal annularshoulder 30 and screwed into the socket portion V18 of the'yarn holdermember 13. Upon tightening the handle, the'atishoulders y2.1, 22 of theholder member 13 will "be drawn against the underside of the interiorendportion 23 ofthe cover member 12 andthe annular shoulder surroundingthe base of the 'threaded portion 33 of the handle cap 36 will abut andbe tightened against the upper Yedge of the shoulders 30 in said covermember, whereby the parts will be held in secure yinteriitted relation.

Fig. 6'illustrates a modification of the invention wherein an angularclamping'plate 39 is 'used as the clamping member for the yarn'elements14 instead of the channelshaped clamping'bar 25 shown in Figs. 3, 4, and5. The clamping plate39ypreferably stamped of metal, is shaped withopposed downwardly inclined longitudinal side portions 40 terminating inshort, outwardly extending longitudinal lip portions 41. As illustratedin Fig. 6, the size of the clamping plate 39 is such that the yarnelements 14, at each side of which they are clamped to the yarn supportmember 18, are ared outwardly and against the underside of the lowerends of the side walls 33 of the cover member 12, as indicated at 42 and43.

It will thus be seen that there is provided an apparatus in which theseveral objects of this invention are achieved 3 and which is Welladapted to meet the conditions of practical use.

As other possible embodiments might be made of the above invention, andasvarious changes might be made. in the embodiment above set forth, itis to be understood that all matter herein set forth or shown in theaccompanying drawings is to be interpreted as illustrative and not in alimiting sense.

Having thus described my invention, what is claimed as new and for whichI desire to secure Letters Patent is:

1. In combination, an elongated yarn support member havingoppositesides, a plurality of mop strands, an elongated clamping member,attachment means for securing said clamping member in spaced parallelrelation with respect to the underside of said yarn support member,medial portions of said mop strands being interposed between saidclamping member and said support member, a socket formed in the otherside of said support member and extending outwardly therefrom, a hollowcover member surrounding said support member, socket and clampedportions of said strands, an elongated handle, and means for attachingone end of said handle to said socket, said attaching means comprisingmeans for securing said cover member with respect to said supportmember, said clamping member being channel-shaped, said clamping memberbeing U-shaped in cross-section and having co-planar, longitudinalportions extending outwardly of each side thereof.

2. In combination, an elongated yarn support member, having oppositesides, a plurality of mop strands, means for clamping medial portions ofsaid mop strands along one side of said yarn support member, aninternallythreaded socket portion formed in the other side of saidsupport member and extending outwardly therefrom, a pair of opposedco-planar shoulders formed at the base of said socket portion, a hollowcover member surrounding said support member and the clamped portions ofsaid strands, said hollow cover member being formed withinteriorly-projecting abutment means at the base of said socket portion,an elongated handle, and externally threaded means at one end of saidhandle engaging said internally threaded socket for securing said handleto said support member and for urging said abutment means against saidopposed shoulders for securing said support member, said cover memberand said handle in intertted relation.

3. The combination of claim 2, said interiorly-projecting abutment meanscomprising an annular projection within said cover member.

4. In combination, an elongated yarn support member having oppositesides, a plurality of mop strands, means for clamping medial portions ofsaid mop strands along one side of said yarn support member, aninternallythreaded socket portion formed in the other side of saidsupport member and extending outwardly therefrom, a pair of opposedco-planar shoulders formed at the base of said socket portion, a hollowcover member surrounding said rsupport member and the clamped portionsof said strands, said hollow cover member being formed withinteriorly-projecting abutment means at the base of said socket portion,said cover member having a neck portion surrounding said socket portion,an annular ring formed within said neck portion and providing an upperannular shoulder therein, an elongated handle, a screw stud extendingfrom one end of said handle and adapted to extend through said neckportion and threadedly t into said socket portion, said screw stud beingcoaxial with said handle and of smaller diameter with respect thereto toprovide a second annular shoulder at the base of said screw stud, saidsecond annular shoulder being operative to abut said upper annularshoulder in said neck portion when said handle is assembled thereto andto said socket portion of said support member for urging saidl abutmentmeans against said opposed shoulders for securing said support member,said cover member and said handle in intertted relation.

5. The combination of claim 4, said interiorly-projecting -abutmentmeans comprising an annular shoulder projecting within said covermember.

spaced parallel relation with respect to the underside of Ysaid yarnsupport member, medial portions of said mop strands being interposedbetween said clamping member and said support member.

7. The combination of claim 4, said clamping member being channel-shapedin cross-section.

8. The combination of claim 4, said clamping member being U-shaped andhaving co-planar, longitudinal portions extending outwardly of each sidethereof.

9. In combination, a holder member having opposite sides and comprisingan elongated portion, a sleeve extending from one side of the center ofsaid elongated portion, a clamping bar xed in spaced parallel relationto the other side of said elongated portion, mop strands havingmid-portions passing between said clamp bar and elongated portion andclamped thereto by said clamp bar, a hollow cover member fitted on saidholder member and clamp bar, and having a neck surrounding said sleeve,and a handle having a portion received within said sleeve and means toclamp said neck to said sleeve and handle, said clamp bar being fixed tosaid holder by rivets perpendicular to said bar and elongated portion,said clamp bar being U-shaped in cross-section and having co-planer,longitudinal portions extending from each side thereof.

l0. The combination of claim 9, said holder member having end wallportions at the ends of said elongated portion, said end wallsoverlapping the clamped portions of said strands and the ends of saidclamp bar and said cover having portions overlapping said end wallportions.

References Cited in the tile of this patent UNITED STATES PATENTS

